Home / 916,495.36-1,264,771.44-508,624.72

Finding the Fourth Proportional to 916,495.36, 1,264,771.44 and 508,624.72

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Solution

The fourth proportional to 916,495.36, 1,264,771.44 and 508,624.72 is: 701,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,495.36 : 1,264,771.44 = 508,624.72 : x
  2. Step 2: Convert to fraction form
    916,495.36/1,264,771.44 = 508,624.72/x
  3. Step 3: Cross multiply
    916,495.36x = 1,264,771.44 × 508,624.72
  4. Step 4: Simplify right side
    916,495.36x = 643,294,019,534.00
  5. Step 5: Solve for x
    x = 643,294,019,534.00/916,495.36
  6. Step 6: Final answer
    x = 701,906.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.